Plato, Laws 698d

βραχεῖ χρόνῳ παντάπασιν κατὰ κράτος τε εἷλεν μυριάσι συχναῖς, καί τινα λόγον εἰς τὴν ἡμετέραν πόλιν ἀφῆκεν φοβερόν, ὡς οὐδεὶς Ἐρετριῶν αὐτὸν ἀποπεφευγὼς εἴη· συνάψαντες γὰρ ἄρα τὰς χεῖρας σαγηνεύσαιεν πᾶσαν τὴν Ἐρετρικὴν οἱ στρατιῶται τοῦ Δάτιδος. ὁ δὴ λόγος, εἴτʼ ἀληθὴς εἴτε καὶ ὅπῃ ἀφίκετο, τούς τε ἄλλους Ἕλληνας καὶ δὴ καὶ Ἀθηναίους ἐξέπληττεν, καὶ πρεσβευομένοις αὐτοῖς

Datis, with his many myriads, captured by force the whole of the Eretrians; and to Athens he sent on an alarming account of how not a man of the Eretrians had escaped him: the soldiers of Datis had joined hands and swept the whole of Eretria clean as with a draw-net. This account—whether true, or whatever its origin—struck terror into the Greeks generally, and especially the Athenians; but when they sent out embassies in every direction to seek aid, all refused,